CN211599221U - Packing bolt assembly and washing machine - Google Patents
Packing bolt assembly and washing machine Download PDFInfo
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- CN211599221U CN211599221U CN201921900716.1U CN201921900716U CN211599221U CN 211599221 U CN211599221 U CN 211599221U CN 201921900716 U CN201921900716 U CN 201921900716U CN 211599221 U CN211599221 U CN 211599221U
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- bolt
- sleeve
- inner sleeve
- flared
- packing
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- 238000005406 washing Methods 0.000 title claims abstract description 45
- 238000012856 packing Methods 0.000 title claims abstract description 37
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a packing bolt component and a washing machine, in particular to a packing bolt component, which comprises a bolt; the outer sleeve is sleeved on one side of the bolt close to the head of the bolt; the outer sleeve is provided with a diameter-variable part at one end far away from the bolt head, and the external dimension of the diameter-variable part is gradually reduced from one end close to the bolt head to one end far away from the bolt head; the inner sleeve is sleeved on one side of the bolt far away from the head of the bolt; one end of the inner sleeve close to the bolt head is provided with an elastic flared part, and the reducing part is inserted into the flared part for fixing and deforming the flared part. Adopt the original rubber sleeve of outer tube replacement of hard material, through set up the reducing portion at the outer tube, set up flaring portion including the sleeve pipe, make the reducing portion of outer tube deepen gradually and fasten in interior sheathed tube flaring portion, outer tube non-deformable, when dismantling, take off easily from the mounting hole of box backplate, convenient dismantlement, interior sheathed tube flaring portion resumes the deformation back simultaneously, and the packing bolt subassembly can wholly take out smoothly.
Description
Technical Field
The utility model relates to a washing machine technical field especially relates to a packing bolt assembly and washing machine.
Background
In order to prevent the washing machine that dispatches from the factory from shaking in the transportation washtub, cause the damage of colliding with, often adopt packing bolt assembly to fix the washing machine washtub: the mounting hole has been seted up on washing machine's backplate, when fixed washing machine, passes the mounting hole on the washing machine box backplate in proper order with the packing bolt subassembly, twists the bolt front end in the washing machine washtub, then constantly screws up the bolt and fixes washing machine's washing machine backplate and washtub firmly. The existing packaging bolt component consists of a plastic sleeve and a rubber sleeve, and plays a role in fixing by virtue of expansion of the rubber sleeve. After the rubber is expanded and stored for a long time, when the packing bolt is disassembled, the rubber is difficult to recover, and the packing bolt is difficult to disassemble.
The plastic sleeve is inserted and connected with the rubber sleeve on the outer side by the inner side of the box body, the bolt sequentially penetrates through the rubber sleeve and the plastic sleeve, the front end of the bolt is screwed into the washing barrel, the rubber sleeve is extruded in the screwing process of the bolt, and the expansion of the rubber sleeve plays a role in fixing. Rubber sleeve's inflation back, after storing for a long time, after the bolt is dismantled, rubber sleeve is difficult to resume, and rubber sleeve is difficult to take out, and when dismantling like this, packing bolt subassembly just is difficult to be complete takes out from washing machine backplate mounting hole, sometimes even need carry out the violence dismantlement, not only can destroy rubber sleeve, makes the backplate warp impaired, and plastic sleeve also can not take out and drop in the washing machine, influences washing machine security.
SUMMERY OF THE UTILITY MODEL
Based on this, the to-be-solved technical problem of the utility model is to provide a packing bolt subassembly and washing machine that packing bolt easily dismantled from the box.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
a packing bolt assembly comprising:
a bolt;
the outer sleeve is sleeved on one side of the bolt close to the head of the bolt; the outer sleeve is provided with a diameter-variable part at one end far away from the bolt head, and the external dimension of the diameter-variable part is gradually reduced from one end close to the bolt head to one end far away from the bolt head;
the inner sleeve is sleeved on one side of the bolt far away from the head of the bolt; one end of the inner sleeve, which is close to the bolt head, is provided with an elastic flared part, and the variable diameter part is inserted into the flared part to be fixed and enable the flared part to deform.
Further, the outer sleeve comprises an outer sleeve body, and the diameter-changing portion is a boss structure protruding out of the outer sleeve body.
Further, the inner sleeve comprises an inner sleeve body part, and the flared part comprises at least two side walls surrounding a circle.
Further, a step part is arranged between the outer sleeve body and the diameter-changing part; the diameter-variable portion is inserted into the flared portion, and an end of the flared portion abuts against the step portion.
Further, an end portion of the flared portion has a flange that abuts the stepped portion.
Furthermore, a limiting structure is arranged between the inner sleeve and the bolt, and the limiting structure limits the inner sleeve to fall off from the bolt.
Furthermore, the limiting structure comprises a limiting protrusion arranged on the inner wall of the inner sleeve and a limiting step arranged on the bolt, and the limiting protrusion is abutted to the limiting step.
Further, the outside dimension of the diameter-variable part is matched with the pipe orifice dimension of the flared part, and the diameter-variable part is in interference fit with the flared part.
A washing machine comprises a box body, a washing barrel and the packaging bolt assembly, wherein the washing barrel is provided with a threaded hole, and the box body is provided with a mounting hole for mounting the packaging bolt assembly; the outer sleeve is arranged on the outer side of the box body, the inner sleeve is supported between the inner side of the box body and the washing barrel, and the tip end of the bolt is fixedly connected with the threaded hole; before the flaring part of the inner sleeve deforms, the external dimension of the flaring part is smaller than the dimension of the mounting hole of the box body, and the external dimension of the flaring part after deformation is larger than the dimension of the mounting hole of the box body.
Furthermore, the mounting hole is provided with a flanging part which is flanged inwards, and the end part of the flared part is abutted against the flanging part after the flared part is deformed.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
above-mentioned packing bolt assembly adopts the original rubber sleeve of outer tube replacement of hard material, through set up the reducing portion at the outer tube, sets up flaring portion including the sleeve pipe, twists the tight in-process at the bolt, makes the reducing portion of outer tube deepen gradually and fastens in interior sheathed tube flaring portion, outer tube non-deformable, when dismantling, takes off from the mounting hole of box backplate easily, convenient dismantlement, interior sheathed tube flaring portion resumes the deformation back simultaneously, and packing bolt assembly can wholly take out smoothly.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a packing bolt assembly of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of an inner sleeve in the packing bolt assembly of the present invention;
FIG. 4 is a cross-sectional view of the outer sleeve of the packing bolt assembly of the present invention;
fig. 5 is a first cross-sectional view of the packing bolt assembly of the present invention, illustrating a state diagram of the assembly process;
FIG. 6 is an enlarged view taken at A in FIG. 5;
fig. 7 is a second cross-sectional view of the packing bolt assembly of the present invention, shown in an assembled state;
FIG. 8 is an enlarged view at B of FIG. 7;
FIG. 9 is an enlarged view at C of FIG. 7;
description of reference numerals:
a case 100; mounting holes 110; a burring part 111;
a bolt 200; a limit step 210;
an outer sleeve 300; an outer sleeve body portion 310; a diameter-variable portion 320; a step portion 330;
an inner sleeve 400; an inner cannula body portion 410; a flared portion 420; a flange 421; a stopper protrusion 430.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 9, in an embodiment of the present invention, the packing bolt assembly is used for being assembled on an outgoing washing machine to fix a washing tub and a washing machine cabinet 100. The washing tub is provided with a screw hole, and the cabinet 100 is provided with a mounting hole 110 for mounting a packing bolt assembly. For convenience of the following description, the external direction of the case 100 is defined as an external direction, and the internal direction of the case 100 is defined as an internal direction. As shown in fig. 1 and 2, in particular, the packaging bolt assembly includes a bolt 200, an outer sleeve 300, and an inner sleeve 400. The outer sleeve 300 is disposed at the outer side of the cabinet 100, the inner sleeve 400 is disposed between the inner side of the cabinet 100 and the washing tub, and the tip of the bolt 200 is fixedly connected with the screw hole. As shown in fig. 3 and 4, the outer sleeve 300 is provided with a through hole along the axial direction, and is sleeved on one side of the bolt 200 close to the head thereof; outer sleeve 300 is provided with a diameter-variable portion 320 at an end away from the head of bolt 200, and the outer dimension of diameter-variable portion 320 gradually decreases from the end close to the head of bolt 200 to the end away from the head of bolt 200, that is, the dimension of diameter-variable portion 320 gradually decreases from the outer end to the inner end. The inner sleeve 400 is provided with a through hole along the axial direction and sleeved on one side of the bolt 200 far away from the head part of the bolt; one end of the inner sleeve 400 close to the head of the bolt 200 is provided with an elastic flared part 420, namely, the outer end part of the inner sleeve 400 is provided with the flared part 420; the diameter-reduced portion 320 is inserted into the flared portion 420 and fixed, and deforms the flared portion 420. That is, the bolt 200 sequentially passes through the outer sleeve 300 and the inner sleeve 400, and the reducing portion 320 of the outer sleeve 300 is fixedly inserted into the flared portion 420 of the inner sleeve 400. The material of the outer sleeve 300 is a hard material, preferably a plastic material.
In case of applying the above-described packing bolt assembly to a washing machine for use, referring to fig. 5 and 6, the packing bolt assembly passes through the mounting hole 110 of the back plate of the cabinet 100 of the washing machine, the outer sleeve 300 is positioned outside the cabinet 100, and the inner sleeve 400 is positioned inside the cabinet 100. The reduced diameter portion 320 of the outer sleeve 300 is inserted into the flared portion 420 of the inner sleeve 400. When the washing machine is screwed, the threaded tip of the bolt 200 is screwed into the bolt 200 hole of the washing tub of the washing machine, the distance between the washing tub and the back plate of the cabinet 100 is gradually reduced during the screwing process, and finally the bolt 200 is screwed to fix the washing tub and the back plate of the casing of the cabinet 100. In the process of screwing, the diameter-variable part 320 of the outer sleeve 300 gradually extends into the flared part 420 of the inner sleeve 400, so that the size of the flared part 420 of the inner sleeve 400 is continuously increased and deformed, the diameter-variable part 320 and the flared part 420 form interference fit, finally, the inner sleeve 400 is abutted against the washing barrel and supported between the rear back plate of the box body 100 and the washing barrel, and the washing barrel and the rear back plate of the box body 100 are fixed together by means of the friction force between the outer sleeve 300 and the rear back plate of the box body 100 and the friction force between the inner sleeve 400 and the end surface of the washing barrel. When the bolt 200 is detached, the bolt 200, the outer sleeve 300 and the inner sleeve 400 can be smoothly taken out from the mounting hole 110 of the backboard of the box 100 because the outer sleeve 300 is made of hard material and the outer sleeve 300 is not easy to deform, the outer sleeve 300 is easy to be taken out from the mounting hole 110 of the backboard of the box 100, and the flared part 420 of the inner sleeve 400 recovers deformation after the reducing part 320 of the outer sleeve 300 is separated from the inner sleeve 400, and the corresponding size is reduced accordingly.
Foretell packing bolt assembly, adopt the outer tube 300 of hard material to replace original rubber sleeve, through set up the variable diameter portion 320 at outer tube 300, including sleeve 400 sets up flaring portion 420, turn round the tight in-process at bolt 200, make the variable diameter portion 320 of outer tube 300 deepen gradually and fasten in the flaring portion 420 of interior sleeve 400, outer tube 300 non-deformable, when dismantling, take off easily from the mounting hole 110 of box 100 backplate, convenient dismantlement, simultaneously the flaring portion 420 of interior sleeve 400 resumes the deformation back, packing bolt assembly can wholly take out smoothly.
As shown in fig. 4, the outer sleeve 300 includes an outer sleeve 300 body, and the reducing portion 320 is a boss structure protruding from the outer sleeve body 310. Preferably, the outer sleeve 300 body is a cylinder, the diameter-variable portion 320 is a truncated cone, the truncated cone structure is convenient for plug connection, and the truncated cone has a simple structure, is convenient to manufacture, and has low cost. In other embodiments, the outer sleeve 300 may have a cross-section with other shapes, such as square, diamond, or polygonal.
As shown in fig. 3, the inner sleeve 400 includes an inner sleeve body portion 410, and a flared portion 420 is provided at an outer end of the inner sleeve body portion 410. The flared portion 420 includes at least two sidewalls that surround a circumference. The sidewalls are inclined away from the axis of the inner sleeve 400 to form the flared portion 420. In this embodiment, the flared portion 420 is composed of two symmetrical sidewalls, when the diameter-variable portion 320 of the outer sleeve 300 is inserted into the flared portion 420, the diameter-variable portion 320 pushes the two sidewalls to be flared in a direction away from each other, so as to deform, and the flared portion 420 and the diameter-variable portion 320 are fixed by interference fit.
The inner sleeve body part 410 and the flared part 420 are preferably of an integrally formed structure, so that the manufacturing process is simple and the cost is saved. The inner sleeve 400 body is provided with a plurality of elongated slots along the axial direction thereof, which can reduce the weight of the inner sleeve 400 and facilitate the operation. The shape of the inner sleeve 400 body can be a cylinder, a square column or a prism, and is preferably a cylinder in this embodiment, which is convenient for manufacturing.
A limiting structure is arranged between the inner sleeve 400 and the bolt 200 and limits the inner sleeve 400 to fall off from the tip of the bolt 200.
As shown in fig. 9, the position-limiting structure includes a position-limiting protrusion 430 disposed on the inner wall of the inner sleeve 400, and a position-limiting step 210 disposed on the bolt 200. When the inner sleeve 400 is in sleeve contact with the outer sleeve 300 and the inner sleeve 400 is not deformed, the limit protrusion 430 just abuts against the limit step 210, so that the outer sleeve 300, the inner sleeve 400 and the bolt 200 are fixed together. The limiting structure ensures that three parts of the packaging bolt assembly are integrated, and the packaging bolt assembly is convenient to complete. Preferably, the position-limiting protrusion 430 and the position-limiting step 210 are disposed around one circle.
The dimension of the diameter-variable part 320 is matched with the dimension of the pipe orifice of the flared part 420, and the diameter-variable part 320 is in interference fit with the flared part 420, that is, the inner wall of the flared part 420 is tightly attached to the outer wall of the diameter-variable part 320. The taper range of the diameter-variable portion 320 is preferably 1:3-1:5 to ensure that the taper is not too large to cause difficulty in screwing.
As shown in fig. 6 and 8, in order to assemble the packing bolt assembly from the outside of the box 100, the outer dimension of the flared portion 420 of the inner tube 400 is smaller than the dimension of the mounting hole 110 of the box 100, and the outer dimension of the deformed flared portion 420 is larger than the dimension of the mounting hole 110 of the box 100, so that the assembly can be conveniently passed through from one direction instead of being operated from both sides of the box 100, thereby improving the working efficiency.
The mounting hole 110 of the case 100 has a flange 111 turned inward, and referring to fig. 8, the flange 111 enhances the strength of the mounting hole 110, and the end of the flared portion 420 abuts against the flange 111 after deformation, thereby increasing the fixing strength of the inner tube 400.
Further, as shown in fig. 4, a step 330 is provided between the outer sleeve 300 and the reducing portion 320. As shown in fig. 8, the diameter of the mounting hole 110 in the case 100 is substantially equal to the diameter of the step portion 330, and the height of the step portion 330 is equal to the height of the burring 111, and when the outer tube 300 is inserted into the mounting hole 110 and fixed to the inner tube 400 by interference fit, the inner end surface of the body of the outer tube 300 abuts against the outer surface of the case 100, the outer peripheral side of the step portion 330 abuts against the mounting hole 110, the tapered portion 320 is inserted into the flared portion 420, and the end of the flared portion 420 abuts against the step portion 330.
The flared portion 420 has a flange 421 at an end thereof, and after the outer tube 300 is fixed to the inner tube 400 by interference fit, the flange 421 abuts against the step portion 330, and the flange 421 abuts against the flange 111 at the mounting hole 110 due to deformation of the inner tube 400.
The utility model discloses still include a washing machine, including box 100 and washtub, box 100 and washtub are fixed through foretell packing bolt subassembly.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (10)
1. A packing bolt assembly, comprising:
a bolt;
the outer sleeve is sleeved on one side of the bolt close to the head of the bolt; the outer sleeve is provided with a diameter-variable part at one end far away from the bolt head, and the external dimension of the diameter-variable part is gradually reduced from one end close to the bolt head to one end far away from the bolt head;
the inner sleeve is sleeved on one side of the bolt far away from the head of the bolt; one end of the inner sleeve, which is close to the bolt head, is provided with an elastic flared part, and the variable diameter part is inserted into the flared part to be fixed and enable the flared part to deform.
2. The packing bolt assembly of claim 1, wherein the outer sleeve includes an outer sleeve body, the tapered portion being a boss structure protruding from the outer sleeve body.
3. The packing bolt assembly of claim 2, wherein the inner sleeve includes an inner sleeve body portion, and the flared portion includes at least two circumferentially surrounding side walls.
4. The packing bolt assembly of claim 2, wherein a step is provided between the outer sleeve body and the reduced diameter portion; the diameter-variable portion is inserted into the flared portion, and an end of the flared portion abuts against the step portion.
5. The packing bolt assembly of claim 4, wherein the end of the flared portion has a flange that abuts the step.
6. The packing bolt assembly of claim 5, wherein a stop structure is disposed between the inner sleeve and the bolt, the stop structure limiting the inner sleeve from falling off the bolt.
7. The packing bolt assembly of claim 6, wherein the limiting structure comprises a limiting protrusion arranged on the inner wall of the inner sleeve, and a limiting step arranged on the bolt, and the limiting protrusion abuts against the limiting step.
8. The packing bolt assembly of claim 1, wherein the outer dimension of the variable diameter portion is adapted to the orifice dimension of the flared portion, and the variable diameter portion is in interference fit with the flared portion.
9. A washing machine, comprising a box body and a washing barrel, and is characterized in that the washing machine comprises a packaging bolt assembly according to any one of claims 1-8, a threaded hole is formed in the washing barrel, and a mounting hole for mounting the packaging bolt assembly is formed in the box body; the outer sleeve is arranged on the outer side of the box body, the inner sleeve is supported between the inner side of the box body and the washing barrel, and the tip end of the bolt is fixedly connected with the threaded hole; before the flaring part of the inner sleeve deforms, the external dimension of the flaring part is smaller than the dimension of the mounting hole of the box body, and the external dimension of the flaring part after deformation is larger than the dimension of the mounting hole of the box body.
10. The washing machine as claimed in claim 9, wherein the mounting hole has a burring portion burring inward, and an end of the burring portion abuts against the burring portion after the burring portion is deformed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900716.1U CN211599221U (en) | 2019-11-05 | 2019-11-05 | Packing bolt assembly and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900716.1U CN211599221U (en) | 2019-11-05 | 2019-11-05 | Packing bolt assembly and washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599221U true CN211599221U (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921900716.1U Active CN211599221U (en) | 2019-11-05 | 2019-11-05 | Packing bolt assembly and washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238412A (en) * | 2020-10-11 | 2021-01-19 | 陈明明 | Screw when machine is repaiied or vapour is repaiied prevents losing or dislocation installation device |
-
2019
- 2019-11-05 CN CN201921900716.1U patent/CN211599221U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238412A (en) * | 2020-10-11 | 2021-01-19 | 陈明明 | Screw when machine is repaiied or vapour is repaiied prevents losing or dislocation installation device |
| CN112238412B (en) * | 2020-10-11 | 2022-07-08 | 杭州爱德旺斯驱动链科技服务有限公司 | Screw when machine is repaiied or vapour is repaiied prevents losing or dislocation installation device |
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